JPH0174564U - - Google Patents
Info
- Publication number
- JPH0174564U JPH0174564U JP1987169635U JP16963587U JPH0174564U JP H0174564 U JPH0174564 U JP H0174564U JP 1987169635 U JP1987169635 U JP 1987169635U JP 16963587 U JP16963587 U JP 16963587U JP H0174564 U JPH0174564 U JP H0174564U
- Authority
- JP
- Japan
- Prior art keywords
- output terminals
- current transformer
- amplification adjustment
- circuit
- terminals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Description
第１図は本考案の電流検出器に使用されるカレ
ントトランスホーマの縦断正面図、第２図は第１
図のカレントトランスホーマの２次側出力に接続
される信号処理回路の回路図、第３図は本考案と
従来の電流検出器における磁界の強さと信号処理
回路出力との関係を示す特性曲線図、第４図は従
来のカレントトランスホーマの例の縦断正面図、
第５図は従来のカレントトランスホーマの２次側
出力に接続される信号処理回路の例の回路図であ
る。
なお、１ａ……コ字形磁気コア、１ｂ……Ｉ形
磁気コア、２ａ，２ｂ……１次巻線端子、３ａ，
３ｂ……２次巻線端子、４……２次巻線、５……
ボビン、６……平滑回路、９……整流素子、１０
……カレントトランス、１１……コ字形磁気コア
、１２……非磁性スペーサ、１３……整流平滑回
路、１４……増幅調整回路、１５……切換スイツ
チ、１８ａ，１８ｂ……出力端子。
Figure 1 is a longitudinal sectional front view of the current transformer used in the current detector of the present invention, and Figure 2 is the front view of the current transformer used in the current detector of the present invention.
Figure 3 is a circuit diagram of the signal processing circuit connected to the secondary output of the current transformer, and Figure 3 is a characteristic curve diagram showing the relationship between the magnetic field strength and the signal processing circuit output in the current detector of the present invention and the conventional current detector. , FIG. 4 is a longitudinal sectional front view of an example of a conventional current transformer,
FIG. 5 is a circuit diagram of an example of a signal processing circuit connected to the secondary output of a conventional current transformer. Note that 1a...U-shaped magnetic core, 1b...I-shaped magnetic core, 2a, 2b...primary winding terminal, 3a,
3b...Secondary winding terminal, 4...Secondary winding, 5...
Bobbin, 6... Smoothing circuit, 9... Rectifying element, 10
. . . Current transformer, 11 .
Claims (1)
１２を一部に挾持させた２個のコ字形磁気コア１
１，１１′を突き合わせてなるカレントトランス
ホーマ１０の出力端子３ａ，３ｂと信号の出力端
子１８ａ，１８ｂとの間に整流平滑回路１３およ
び複数個の増幅度調整抵抗を切換える増幅度調整
回路１４を設けた信号処理回路とよりなる電流検
出器。 Two U-shaped magnetic cores 1 each having a non-magnetic spacer 12 sandwiched between the winding cores of a wound bobbin 5.
A rectifying and smoothing circuit 13 and an amplification adjustment circuit 14 for switching a plurality of amplification adjustment resistors are provided between the output terminals 3a, 3b of the current transformer 10 formed by butting together the terminals 1 and 11' and the signal output terminals 18a, 18b. A current detector consisting of a signal processing circuit provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169635U JPH0174564U (en) | 1987-11-07 | 1987-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169635U JPH0174564U (en) | 1987-11-07 | 1987-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174564U true JPH0174564U (en) | 1989-05-19 |
Family
ID=31459874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169635U Pending JPH0174564U (en) | 1987-11-07 | 1987-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174564U (en) |
-
1987
- 1987-11-07 JP JP1987169635U patent/JPH0174564U/ja active Pending
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